package com.ruoyi.thoroughfare.util;

import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.net.URI;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * @Description: http请求工具类  // 类说明，在创建类时要填写
 * @ClassName: HttpClientUtil    // 类名，会自动填充
 * @Author: Zach          // 创建者
 * @Date: 2023/11/17 14:16   // 时间
 * @Version: 1.0     // 版本
 */
public class HttpClientUtil {

    /**
     * 带参数的get请求
     * @param url
     * @param param
     * @return String
     */
    public static String doGet(String url, Map<String, String> param) {
        // 创建Httpclient对象
        if(url==null||"".equals(url))
            return null;
        CloseableHttpClient httpclient = HttpClients.createDefault();

        String resultString = "";
        CloseableHttpResponse response = null;
        try {
            // 创建uri
            URIBuilder builder = new URIBuilder(url);
            if (param != null) {
                for (String key : param.keySet()) {
                    builder.addParameter(key, param.get(key));
                }
            }
            URI uri = builder.build();
            // 创建http GET请求
            HttpGet httpGet = new HttpGet(uri);
            // 执行请求
            response = httpclient.execute(httpGet);
            // 判断返回状态是否为200
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }

    /**
     * 不带参数的get请求
     * @param url
     * @return String
     */
    public static String doGet(String url) {
        return doGet(url, null);
    }

    public static String doGetByHeader(String url, String orgKey) {
        // 创建Httpclient对象
        if(url==null||"".equals(url))
            return null;
        CloseableHttpClient httpclient = HttpClients.createDefault();

        String resultString = "";
        CloseableHttpResponse response = null;
        try {
            // 创建uri
            URIBuilder builder = new URIBuilder(url);
            URI uri = builder.build();
            // 创建http GET请求
            HttpGet httpGet = new HttpGet(uri);
            httpGet.addHeader("Org-Key", orgKey);
            // 执行请求
            response = httpclient.execute(httpGet);
            // 判断返回状态是否为200
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }

    public static String post(String url, Map<String,String> headerMap, String parmValue)
    {
        String result = null;
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost post = new HttpPost(url);
        // 设置超时
        RequestConfig requestConfig = RequestConfig.custom()
            .setSocketTimeout(5000)
            .setConnectTimeout(5000).build();
        post.setConfig(requestConfig);

        // 构造消息头
        post.setHeader("Content-type", "application/x-www-form-urlencoded; charset=utf-8");
        post.setHeader("Connection", "Close");

        if (headerMap!=null && !headerMap.isEmpty())
        {
            for (String key:headerMap.keySet())
                post.setHeader(key,headerMap.get(key));
        }

        StringEntity inEntity = new StringEntity(parmValue, Charset.forName("UTF-8"));
        inEntity.setContentEncoding("UTF-8");
        // 发送Json格式的数据请求
        inEntity.setContentType("application/x-www-form-urlencoded");
        post.setEntity(inEntity);
        CloseableHttpResponse response = null;
        try {
            response = httpClient.execute(post);
            if (response!=null)
                System.out.println(".....Get return code:"+response.getStatusLine().getStatusCode());
            if(response != null && response.getStatusLine().getStatusCode() == 200)
            {
                HttpEntity entity = response.getEntity();
                result = EntityUtils.toString(entity, Charset.forName("UTF-8"));
            }
            return result;
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                httpClient.close();
                if(response != null)
                {
                    response.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
    /**
     * 带参数的post请求
     * @param url
     * @param param
     * @return String
     */
    public static String doPost(String url, Map<String, String> param) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        try {
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.addHeader("Content-Type","application/json; charset=utf-8");
            httpPost.addHeader("X-Api-Sign-Version","2.0.0");
            // 创建参数列表
            if (param != null) {
                List<NameValuePair> paramList = new ArrayList<>();
                for (String key : param.keySet()) {
                    paramList.add(new BasicNameValuePair(key, param.get(key)));
                }
                // 模拟表单
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);
                httpPost.setEntity(entity);
//				httpPost.setEntity(new UrlEncodedFormEntity(nvps, encoding));
//				httpPost.setEntity(new StringEntity(str, encoding));
            }
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }

    /**
     * 不带参数的post请求
     * @param url
     * @return String
     */
    public static String doPost(String url) {
        return doPost(url, null);
    }
    public static String doPost(String url, String str, String encoding) {
        String body = "";
        try {
            // 创建httpclient对象
            CloseableHttpClient client = HttpClients.createDefault();
            // 创建post方式请求对象
            HttpPost httpPost = new HttpPost(url);
            // 设置参数到请求对象中
            httpPost.setEntity(new StringEntity(str, encoding));
            // 设置header信息
            // 指定报文头【Content-type】、【User-Agent】
            httpPost.setHeader("Content-type", "application/json;charset=UTF-8");
            // 执行请求操作，并拿到结果（同步阻塞）
            CloseableHttpResponse response = client.execute(httpPost);
            // 获取结果实体
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                // 按指定编码转换结果实体为String类型
                body = EntityUtils.toString(entity, encoding);
            }
            EntityUtils.consume(entity);
            // 释放链接
            response.close();
            return body;
        } catch (Exception e1) {
            e1.printStackTrace();
            return "";

        }
    }

    /**
     * 传送json类型的post请求
     * @param url
     * @param json
     * @return String
     */
    public static String doPostJson(String url, String json, String token) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        try {
            if(url.contains("?")){
                url = url + "&access_token=" + token;
            } else {
                url = url + "?access_token=" + token;
            }
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            //httpPost.addHeader("Org-Key", orgKey);
            // 创建请求内容
            StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
            httpPost.setEntity(entity);
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }

}
